Home / 12,691,057,797.48-17,513,818,462.10-6,975,966,194.78

Finding the Fourth Proportional to 12,691,057,797.48, 17,513,818,462.10 and 6,975,966,194.78

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Solution

The fourth proportional to 12,691,057,797.48, 17,513,818,462.10 and 6,975,966,194.78 is: 9,626,920,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691,057,797.48 : 17,513,818,462.10 = 6,975,966,194.78 : x
  2. Step 2: Convert to fraction form
    12,691,057,797.48/17,513,818,462.10 = 6,975,966,194.78/x
  3. Step 3: Cross multiply
    12,691,057,797.48x = 17,513,818,462.10 × 6,975,966,194.78
  4. Step 4: Simplify right side
    12,691,057,797.48x = 122,175,805,533,014,949,888
  5. Step 5: Solve for x
    x = 122,175,805,533,014,949,888/12,691,057,797.48
  6. Step 6: Final answer
    x = 9,626,920,583.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.